Self inking stamp



FIG. 1 is a perspective view of the self-inking stamp in accordance with the invention;

FIG. 2 is a side elevational view of the self-inking stamp of FIG. 1;

FIG. 3 is a front elevational view of the self-inking stamp of FIG. 1; and,

FIG. 4 is a rear elevational view of the self-inking stamp of FIG. 1. 

The ornamental design for the self-inking stamp, as shown. 